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All Journal INAJEEE (Indonesian Journal of Electrical and Electronics Engineering)
Justo, João Francisco
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Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering

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Circular Polarization of the Square, Circular, Triangle, and Hexagonal Microstrip Antenna Nurhayati, Nurhayati; Lutfia, Paulen Aulia; Figueredo, Raimundo Eider; de Oliveira, Alexandre Manicoba; Justo, João Francisco; Fukusako, Takeshi
INAJEEE (Indonesian Journal of Electrical and Electronics Engineering) Vol 3, No 1 (2020)
Publisher : Jurusan Teknik Elektro Fakultas Teknik UNESA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajeee.v3n1.p5-9

Abstract

Microstrip antenna with circular polarization can be applied for many applications. Some microstrip antenna with square, circular, triangular, and hexagonal shape has been designed to get return loss, axial ratio, and radiation performance. We compare twelve microstrip antenna by maintaining its substrate dimension, feeding shape, and outer patch dimension. Even though antenna has a circular patch, it doesn’t always produce circular polarization. From the simulation, we found that with add some structure, the antenna can reach multiband resonance from 1 to 6 GHz. The Circular patch antenna reached seven numbers of the multiband resonance frequency. The hexagonal patch antenna reaches the highest directivity as 9.53 dBi. The circular polarization is achieved for a square and Hexagonal patch shape with axial ratio value is 1.96 dB at 4 GHz and  1.26 dB at 4.1 GHz sequentially at phi 900 and theta 900. 
Co-Authors de Oliveira, Alexandre Manicoba Figueredo, Raimundo Eider Fukusako, Takeshi Lutfia, Paulen Aulia Nurhayati Nurhayati